| ENGLISH NAME | LEVEL | ATTRIBUTE | TYPE |
| -none- | Ultimate/Final | Vaccine | Undead Digimon |
| FIRST APPEARANCE | NAME ORIGINS | ||
| -none- | English. Skull. Mam is short for mammoth. X because he was modified by the X Antibody. | ||
| EVOLUTIONS | |||
| -none | |||
| CARD NUMBER | SERIES | FAMILY |
| BX-56 | Booster Ver. 21 | Nightmare Soldiers |
| LEVEL | ATTRIBUTE | TYPE |
| Ultimate/Final | Vaccine | Undead Digimon |
| A ATTACK | B ATTACK | C ATTACK |
| Spiral Bone - 810 | Grand Charge - 690 | Protect (A goes to 0) - 480 |
| EVOLUTION REQUIREMENTS | DESCRIPTION | COMMENTS |
| Mammon + Win Ratio 80%! -or- Skull Baluchimon + Win Ratio 80%! |
-none- | -none- |